Vistara seems to have managed to jump the queue and have a few 787-9 airframes earlier than their original delivery schedule from February 2020.
https://docs.google.com/spreadsheets...qgo/edit#gid=2
https://livefromalounge.boardingarea...ra-787-status/
https://docs.google.com/spreadsheets...qgo/edit#gid=2
https://livefromalounge.boardingarea...ra-787-status/